It shall be the duty of any owner or agent having in charge any swine or other livestock imported or transported into this State who shall, before delivery lose a hog or other livestock from natural or unnatural death to have the same delivered to a rendering plant or buried in the area to a depth of at least two feet within 12 hours after death of said swine or other livestock. (1941, c. 373, s. 3; 1955, c. 424, s. 3.)